/*
 * Copyright (C) 2015-present, osfans
 * waxaca@163.com https://github.com/osfans
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.osfans.trime;

import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;

import java.util.Arrays;

/**
 * 顯示配色方案列表
 */
class ColorDialog {
    private String[] colorKeys;
    private int checkedColor;
    private AlertDialog dialog;

    public ColorDialog(final Context context) {
        Config config = Config.get(context);
        String colorScheme = config.getColorScheme();
        colorKeys = config.getColorKeys();
        if (colorKeys == null) return;
        Arrays.sort(colorKeys);
        checkedColor = Arrays.binarySearch(colorKeys, colorScheme);
        String[] colorNames = config.getColorNames(colorKeys);
        dialog =
                new AlertDialog.Builder(context)
                        .setTitle(R.string.pref_colors)
                        .setCancelable(true)
                        .setNegativeButton(android.R.string.cancel, null)
                        .setPositiveButton(
                                android.R.string.ok,
                                new DialogInterface.OnClickListener() {
                                    @Override
                                    public void onClick(DialogInterface di, int id) {
                                        selectColor(context);
                                    }
                                })
                        .setSingleChoiceItems(
                                colorNames,
                                checkedColor,
                                new DialogInterface.OnClickListener() {
                                    @Override
                                    public void onClick(DialogInterface di, int id) {
                                        checkedColor = id;
                                    }
                                })
                        .create();
    }

    private void selectColor(Context context) {
        if (checkedColor < 0 || checkedColor >= colorKeys.length) return;
        String color = colorKeys[checkedColor];
        Config config = Config.get(context);
        config.setColor(color);
        Trime trime = Trime.getService();
        if (trime != null) trime.initKeyboard(); //實時生效
    }

    public AlertDialog getDialog() {
        return dialog;
    }

    public void show() {
        if (dialog != null) dialog.show();
    }
}
